The publicly available one-day averaged MAXI light curve in the energy range 2.0\(-\) 20.0 keV is plotted in the left panel of Fig. REF , with hardness ratio as a function of time plotted in the bottom. The hardness ratio is defined as the ratio of count rates in the 4.0\(-\) 10.0 keV and 2.0\(-\) 4.0 keV energy bands [1]}. The one-day averaged Swift/BAT light curve in the energy band 15.0\(-\) 50.0 keV is shown in the right panel of the Fig. REF . The long-term light curves from MAXI (2.0\(-\) 20.0 keV) and BAT (15.0\(-\) 50.0 keV), clearly display the overall rising and declining trends in flux. The average count rate over the two epochs E1 and E2 show a small variation as presented in Table REF . For NuSTAR (3.0\(-\) 80.0 keV) the average count rate during E1 is slightly higher than during E2, whereas the reverse trend is seen for the average XRT fluxes.
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